Electron Bernstein Wave Research on the National Spherical Torus Experimentстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Taylor G.,
Bers A.,
Bigelow T.S.,
Carter M.D.,
Caughman J.B.,
Decker J.,
Diem S.,
Efthimion P.C.,
Ershov N.M.,
Fredd E.,
Harvey R.W.,
Hosea J.,
Jaeger F.,
Preinhaelter J.,
Ram A.K.,
Rasmussen D.A.,
Smirnov A.P.,
Wilgen J.B.,
Wilson J.R.
Аннотация:Off‐axis electron Bernstein wave current drive (EBWCD) may be critical for sustaining non‐inductive high β NSTX plasmas. Modeling results predict that the ∼ 100 kA of off‐axis current needed to stabilize a solenoid‐free high β NSTX plasma could be generated by by 3 MW of 28 GHz EBW power. Synergy with the bootstrap current may enhance CD efficiency by ∼ 10%. EBW radiometry measurements on NSTX support coupling to EBWs by launching elliptically polarized electromagnetic waves oblique to the confining magnetic field. Plans are being developed to implement a 1 MW, 28 GHz proof‐of‐principle EBWCD system to test the EBW coupling, heating and CD physics at high rf power densities on NSTX.